Place the purple cake layer onto the cake board
Scoop about 1 C of frosting onto the cake layer and spread evenly
Place the blue cake layer on top of the frosting
Scoop 1 C of frosting onto the blue layer and spread evenly
Place the green cake layer on top of the second layer or frosting
Scoop 1 C of frosting onto the green layer and spread evenly
Repeat steps with the Yellow, Orange and Red layer. Make sure you put
the cake layers in the order of Purple, Blue, Green, Yellow, Orange and Red
Scoop 2 C of the frosting into a medium bowl and mix in until combined several drops of black food coloring
Scoop the black frosting into the piping bag fitted with a medium star tip
Scoop 1 C of the frosting into a small bowl and mix until combined several drops of gold gel food coloring until combined
Scoop the gold frosting into the piping bag fitting with a small star tip
Using the remaining frosting in the mixing bowl, mix in a few drops of the kelly green food coloring
Scoop all that frosting into the large piping bag fitted with the large star tip